Inventor

David J. Milner

Inventor

Manchester, GB

Overview

21→

Patents

1977–2000

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary

C07CAcyclic or carbocyclic compounds33%

C07DHeterocyclic compounds28%

C07HSugars11%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments11%

A01NPreservation of bodies of humans or animals or plants or parts thereof6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

PatentTitleYear

6,013,811'Preparation process of benzodifuranone dyes'2000 5,717,112'Benzofuranone and benzodifuranone compounds'1998 5,663,371'Process for preparing polycyclic dyes'1997 5,334,744'Isomerisation process'1994 5,304,659'Preparation of polycyclic dyes'1994 5,214,161'Preparation of polycyclic dyes'1993 5,093,362'Insecticidal compounds'1992 4,590,308'Selective halogenation of benzene di and tri-methanol compounds'1986 4,517,129'Process for the preparation of cyanotetrachlorobenzenes'1985 4,383,112'Chiral amino-alcohol complexes'1983 4,350,811'Chiral sugar complexes'1982 4,344,894'Process for the preparation of cyclopropane carboxylic acid esters'1982 4,343,935'Chiral compounds'1982 4,340,764'Process for the preparation of 1,4-dialkylbut-2-ene-1,4-diones'1982 4,332,962'Preparation of cyclopropane carboxylic acid esters'1982 4,323,509'Process for the preparation of alkyl furans'1982 4,288,387'Process for the preparation of cyclopropane carboxylic acid esters'1981 4,228,107'Polyhalogenated hydrocarbons, useful as insecticide intermediates, and methods for their preparation'1980 4,130,598'2,5-Dimethyl-2,4-hexadiene production'1978 4,118,412'Preparation cyano substituted cyclopropane'1978 4,056,574'Oxidative coupling process'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1983Patents assigned to ICI LTD (12)· patent assignee history

1977–1982Based in Runcorn, GB· patent location history

1980–1997Based in Manchester, GB· patent location history

1982–2000Based in Whitefield, GB· patent location history

1985–1993Patents assigned to ICI PLC (4)· patent assignee history

1994–1998Patents assigned to ZENECA LTD (4)· patent assignee history

2000Patents assigned to BASF AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ICI LTD	12	1977–1983
ICI PLC	4	1985–1993
ZENECA LTD	4	1994–1998
BASF AG	1	2000

Locations

Location	Patents	Span
Manchester, GB	10	1980–1997
Whitefield, GB	7	1982–2000
Runcorn, GB	4	1977–1982